An operating system is the essential software that's needed to run your computer's suite of software. Everything from video games to web browsing, basic word processing, and more is down thanks to the ...

A kernel can be defined as the essential center of an operating system. The kernel is the core of an operating system that provides a set of basic services for the other parts of the operating system.

Lauded for avoiding the typical vague, high-level survey approach found in many texts, earlier editions of this bestselling book removed the mystery by explaining the internal structure of an ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

Virtualization technology, whereby multiple operating systems can be run on shared hardware, is extremely well understood if somewhat inefficient in its use of resources. Just a few decades ago, ...

Ultimately, every problem in the constantly evolving IT software stack becomes a database problem, which is why there are 418 different databases and datastores in the DB Engines rankings and there ...